EIA: U.S. Crude Oil Inventories Rise by 3 Million Barrels for the Week Ending September 18
nashnova research
EIA data showed U.S. crude stockpiles rose an unexpected 3 million barrels last week, the opposite of the 700,000-barrel draw the market expected — a sharp reversal after the prior week's 600,000-barrel decline.
How big was the build?
U.S. commercial crude inventories stood at 426.4 million barrels for the week ending Sept. 18, up 3 million barrels from the prior week.
The market had expected a draw of 700,000 barrels; the actual figure went the other way entirely.
This means → the market underestimated near-term supply; the physical crude balance is looser than expected.
Why call it a reversal?
The prior week (ending Sept. 11) saw a 600,000-barrel draw; this week swung to a large build.
In plain terms = last week inventories were shrinking, this week they snapped back — the trend broke in one print.
This reflects that the short-term supply-demand balance is not stable enough to extrapolate from any single week.
What happened on the products side?
Gasoline inventories fell 1.7 million barrels in the same week, versus a build of 800,000 barrels the week before.
This means → crude stocks rose while gasoline stocks fell — upstream and downstream moved in opposite directions.
In plain terms = more crude sitting around, less gasoline on hand — refiners may be cutting runs or shifting their product slate.
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